Getting it into your agent
One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.
npx skills add bruchris/canvas-lms-mcp --skill canvas-office-hoursgit clone --depth 1 https://github.com/bruchris/canvas-lms-mcpWrote this? Show the measurements
A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.
[](https://agentmods.dev/skills/bruchris/canvas-lms-mcp/canvas-office-hours)<a href="https://agentmods.dev/skills/bruchris/canvas-lms-mcp/canvas-office-hours"><img src="https://agentmods.dev/badge/skills/bruchris/canvas-lms-mcp/canvas-office-hours/github.svg" alt="Measured on agentmods" height="20"></a>Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.
<a href="https://agentmods.dev/skills/bruchris/canvas-lms-mcp/canvas-office-hours"><img src="https://agentmods.dev/badge/skills/bruchris/canvas-lms-mcp/canvas-office-hours.svg" alt="Reviewed on agentmods" width="80" height="20"></a>What it costs to keep this loaded
Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.
| Model | Per session | Once invoked |
|---|---|---|
| Fable 5.1 | $0.00103 | $0.01994 |
| Opus 5 | $0.00051 | $0.00997 |
| Sonnet 5 | $0.00021 | $0.00399 |
| Haiku 4.5 | $0.00010 | $0.00199 |
Grade A, and why
canvas-office-hours scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 12d ago.
A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.
Nothing flagged
None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.
How it starts
The opening of the file, as written. The whole thing — 125 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Canvas Office Hours
Manage office hours as Canvas Scheduler appointment groups: review the groups you already run, create new sign-up slots for a course, publish a draft so students can see it, and check who has reserved. Read paths are free; every write (create, update/publish, delete) is gated by an explicit per-action confirmation, clearly separated from the read paths.
What this skill can and cannot do
canvas-lms-mcp exposes eight appointment-group tools. This skill covers the full surface:
- Read:
list_appointment_groups,get_appointment_group,list_appointment_group_users,list_appointment_group_groups,next_appointment. - Write (confirmed per action):
create_appointment_group,update_appointment_group,delete_appointment_group.
It does NOT reserve slots on a student's behalf. Reservations live in the Canvas Calendar Events API and were explicitly out of scope for this domain — there is no reserve_appointment tool. Students sign up themselves via the Canvas Calendar ("Find Appointment"). Do not promise to book, cancel, or move an individual student's reservation; you can only manage the group and read who has reserved.
Prerequisites
- Canvas MCP server must be running and connected.
- Instructor or TA role on the target course is required for the write tools and for
list_appointment_group_users/list_appointment_group_groups.list_appointment_groupsandget_appointment_groupare available more broadly, but managing groups requires teaching permissions. - Student names appear when you list who signed up — only run those steps in a private or educator-only session.
Steps
1. Identify the Course
Ask the educator which course the office hours are for. You need its Canvas ID to build the context_code (format: course_<id>, e.g. course_123). If unclear, call list_courses and let them pick.
2. Review Existing Appointment Groups
Call list_appointment_groups with scope=manageable to list the groups the educator manages (use scope=reservable instead to see groups a user could sign up for). Present each group's title, status (published vs. draft), and slot/participant counts.
What this file has done since we first saw it
Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.
- 12d ago First seen · 125 lines · 103 tokens per session scan A 98a97e3af118
canvas-office-hours is a skill published in the GitHub repository bruchris/canvas-lms-mcp (5 stars, last pushed today), licensed MIT. It adds 103 tokens to every session and 1,994 once invoked, about $0.0005 per session on Opus 5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-31.
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